Boeing 787 Certified with GEnx Engines

787 ETOPS Extended Operations Reliability

The Testing of the Boeing 787-8 Dreamliner with General Electric GEnx Engines is complete.  This marks the end, as well as a milestone of flight testing associated with the baseline model of the 787.  However, testing does not come to a full stop and will continue with engine and airframe improvements as needed, which is done for all airplane programs.

Ground Testing to complete certification has also concluded.   The most important part of testing comes with Extended Operations as the 787 Dreamliner has been built to allow operators make a profit on long-haul niche routes where an aircraft like the 777 or A330 is just too big.

Mike Sinnett, Vice President and Chief Project Engineer, 787 program, said, “The last phase of testing focused on extended operations onboard a production airplane.”  Sinnett continued, “The airplane performed beautifully during this testing, further demonstrating its reliability.”

The final flight concluded late last month with the touch-down of the 35th 787 built.

Flight testing is one of many elements reviewed by the US Federal Aviation Administration (FAA) prior to certification of a new airplane type.   The 787-Dreamliner with Rolls-Royce engines was completed April 2011.  Any new combination of airframe type and engine requires additional certification.

Sinnit said, “I want to congratulate all of the men and women of Boeing and our partners who helped support our flight test program…….They have completed the most robust, thorough flight test program in our history.”

The Boeing 787 is an all new-build and features amenities from large windows, cleaner air, higher humidity, and a lower cabin altitude created to enhance the passenger experience.

The GEnx – Fastest Selling Engine in GE History


According to General Electric, The GEnx is GE’s next generation turbofan and will be the workhorse engine of the 21st century for medium-capacity, long-range aircraft.  The GEnx-1B has already received 330 minutes ETOPS certification.

The GEnx engine will produce 55,000 to 70,000 pounds of thrust. Ultimately, the GEnx will replace GE’s highly successful CF6 engine family, a workhorse for commercial and military wide-body aircraft for 40 years.

The GEnx engine is designed to meet or exceed Boeing’ aggressive performance targets for its new twin-engine 787 aircraft. The 787 will carry 200 to 250 passengers up to 8,300 nautical miles and is expected to use 20 percent less fuel than today’s aircraft of comparable size.

Also in the GEnx family, the GEnx-1B engine, selected for the Boeing 787 Dreamliner, received airworthiness engine certification from the US FAA. In June 2010, the GEnx-1B engine completed its first flight on the Boeing 787 Dreamliner, and remains the fastest selling engine in GE’s history with about 1,300 engines on order.


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